code: def test_unit_norm_get_config(self):
      constraint_fn = constraints.UnitNorm(axis=1)
      config = constraint_fn.get_config()
      expected_config = {"axis": 1}
      self.assertEqual(config, expected_config)
  
file_path: keras/keras/constraints/constraints_test.py
imports: import numpy
  from keras import backend
  from keras import constraints
  from keras import testing
label_desc: Use image node_id 10 for calling the ConstraintsTest obj's underlying member method code with example usage: obj.test_unit_norm_get_config() without return types